Table 3 Disease characteristics of patients with oligometastases with chemotherapy + thoracic radiotherapy vs. chemotherapy after Propensity Score Matching.
Characteristic | Before Matching | After Matching | ||||
|---|---|---|---|---|---|---|
ChT + TRT (n = 51) | ChT (n = 27) | P | ChT + TRT (n = 22) | ChT (n = 22) | P | |
Age (years) ≥65 | 37 | 26 | 0.011 | 7 | 4 | 0.488 |
Sex,male | 36 | 22 | 0.295 | 20 | 21 | 0.635 |
Smoking index, ≥400 | 40 | 21 | 0.947 | 20 | 19 | 1.000 |
Family history of neoplasm | 8 | 3 | 0.581 | 4 | 3 | 0.680 |
Weight loss, >5%, | 8 | 0 | 0.030 | 5 | 0 | 0.018 |
KPS score, ≥80 | 47 | 25 | 0.945 | 20 | 20 | 1.000 |
No. of ChT cycles | 0.029 | 0.680 | ||||
1–3 | 4 | 7 | 4 | 3 | ||
≥4 | 47 | 20 | 18 | 19 | ||
Response to ChT | 0.297 | 1.000 | ||||
Yes | 32 | 25 | 13 | 13 | ||
No | 9 | 12 | 9 | 9 | ||
PCI | 0.135 | 0.148 | ||||
Yes | 4 | 0 | 2 | 0 | ||
No | 47 | 27 | 20 | 22 | ||
